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annotate flys-backend/src/main/java/de/intevation/flys/backend/SessionHolder.java @ 2829:4074777afcfa

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Added MINFO specific relations for flow velocity measurements. flys-backend/trunk@4246 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 17 Apr 2012 10:16:21 +0000
parents 8bd50b41dea6
children 76c75c8b9ee0
rev   line source
466
8bd50b41dea6 Moved the SessionHolder from flys-artifacts to flys-backend.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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1 package de.intevation.flys.backend;
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2
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3 import org.apache.log4j.Logger;
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4
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5 import org.hibernate.Session;
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6 import org.hibernate.SessionFactory;
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7
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8
8bd50b41dea6 Moved the SessionHolder from flys-artifacts to flys-backend.
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9 public class SessionHolder
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10 {
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11 private static Logger logger =
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12 Logger.getLogger(SessionHolder.class);
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13
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14 public static final ThreadLocal<Session> HOLDER =
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15 new ThreadLocal<Session>() {
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16 protected Session initialValue() {
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17 return create();
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18 }
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19 };
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20
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21 private SessionHolder() {
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22 }
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23
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24 public synchronized static Session create() {
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25 logger.debug("create");
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26 SessionFactory sessionFactory =
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27 SessionFactoryProvider.getSessionFactory();
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28 return sessionFactory.openSession();
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29 }
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30
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31 public static Session acquire() {
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32 logger.debug("acquire");
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33 Session session = create();
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34 HOLDER.set(session);
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35 return session;
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36 }
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37
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38 public static void release() {
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39 logger.debug("release");
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40 HOLDER.remove();
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41 }
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42 }
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43 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org